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SHORT COMMUNICATION A method for tuning tuned mass dampers for seismic applications

机译:短路通信一种用于地震应用的调谐质量阻尼器的调谐方法

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摘要

This paper studies tuned mass dampers (TMDs) resulting in high modal damping for mechanical systems incorporating such devices for the purpose of seismic response reduction. Focusing on the determination of damping and tuning, the proposed methodology identifies a point of multiplicity of complex eigenvalues and eigenvectors, resulting in different parameters for TMDs according to their location with respect to such multiplicity condition. It is shown that significant equal modal damping and average modal damping can be induced by properly tuning highly damped TMDs, obtaining parameters intrinsic to the mechanical systems, and excitation independent. Further, it is shown that the methodology yields, as particular cases, two proposals by others using TMDs for the same purpose of seismic response abatement.
机译:本文研究了调谐质量阻尼器(TMD),该阻尼器为装有减震装置的机械系统提供了高模态阻尼,以降低地震响应。着重于阻尼和调谐的确定,所提出的方法确定了复特征值和特征向量的多重性点,从而根据TMD相对于这种多重性条件的位置产生了不同的参数。结果表明,通过适当地调整高阻尼的TMD,获得机械系统固有的参数以及独立于励磁,可以引起相当大的模态阻尼和平均模态阻尼。此外,还表明,在特殊情况下,该方法还产生了其他人使用TMD的两个建议,以达到相同的减轻地震响应的目的。

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